09-08-2016, 06:07 PM
Astronomical "fossils".
Most globular clusters are ancient and contain stars that are extremely old, but this one is a bit odd and has both very old and quite a bit younger. The Keck Observatory on Mauna Kea helped take observations that might help solve the mystery and explain more about our own Galaxy's history.
http://www.keckobservatory.org/recent/en...discovered
http://www.sci-news.com/astronomy/cluste...04170.html
Most globular clusters are ancient and contain stars that are extremely old, but this one is a bit odd and has both very old and quite a bit younger. The Keck Observatory on Mauna Kea helped take observations that might help solve the mystery and explain more about our own Galaxy's history.
http://www.keckobservatory.org/recent/en...discovered
http://www.sci-news.com/astronomy/cluste...04170.html